General

  • Target

    Internet Download Manager 6.41.10.exe

  • Size

    13.8MB

  • Sample

    240423-2a8avsce42

  • MD5

    42f5da78f5961e86a1be08123d28b23d

  • SHA1

    8b563c88d3bd9701fb7d395ddf898421976753a5

  • SHA256

    21a07344c742073f9f63baf9eef7c0d6f997ed6deb4f9eb3998aa007bd05930d

  • SHA512

    1a05e5185d95051dd943dae9ec80e1ecae4cbd5ed148023a3b6e7c6a723710042220eb7f21749a2aa2523813490b0d5d90a26e9262e31a41c8a37a6da1850c6a

  • SSDEEP

    393216:9IB/nOXcnBmgHImO8VquUmpv8sDiiiPGHT1xlalMoRj+E5RKrJ:sGXCromhVquUGv8eRXISoRj+MRKd

Malware Config

Targets

    • Target

      Internet Download Manager 6.41.10.exe

    • Size

      13.8MB

    • MD5

      42f5da78f5961e86a1be08123d28b23d

    • SHA1

      8b563c88d3bd9701fb7d395ddf898421976753a5

    • SHA256

      21a07344c742073f9f63baf9eef7c0d6f997ed6deb4f9eb3998aa007bd05930d

    • SHA512

      1a05e5185d95051dd943dae9ec80e1ecae4cbd5ed148023a3b6e7c6a723710042220eb7f21749a2aa2523813490b0d5d90a26e9262e31a41c8a37a6da1850c6a

    • SSDEEP

      393216:9IB/nOXcnBmgHImO8VquUmpv8sDiiiPGHT1xlalMoRj+E5RKrJ:sGXCromhVquUGv8eRXISoRj+MRKd

    • Drops file in Drivers directory

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Executes dropped EXE

    • Loads dropped DLL

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • Registers COM server for autorun

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

    • Adds Run key to start application

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

    • Checks whether UAC is enabled

    • Installs/modifies Browser Helper Object

      BHOs are DLL modules which act as plugins for Internet Explorer.

    • Drops file in System32 directory

MITRE ATT&CK Matrix ATT&CK v13

Persistence

Boot or Logon Autostart Execution

2
T1547

Registry Run Keys / Startup Folder

2
T1547.001

Browser Extensions

1
T1176

Privilege Escalation

Boot or Logon Autostart Execution

2
T1547

Registry Run Keys / Startup Folder

2
T1547.001

Defense Evasion

Modify Registry

3
T1112

Credential Access

Unsecured Credentials

1
T1552

Credentials In Files

1
T1552.001

Discovery

Query Registry

4
T1012

System Information Discovery

5
T1082

Peripheral Device Discovery

1
T1120

Collection

Data from Local System

1
T1005

Tasks